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Re: LinkLocal Address ( InetAddress.getByName throws UnknownHost Exception )

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On Jun 17, 6:27 am, Lewis Bloch <lewisbl...@google.com> wrote:
> On Jun 14, 11:15 pm, saggar <sunil.sag...@gmail.com> wrote:
>
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> > Hi,
>
> > I used the following code to create a InetAddress from lilnklocal
> > address ( returned by getifaddrs function).
> >    try{
> >         InetAddress add =
> > InetAddress.getByName("fe80::216:3eff:fe38:74e8%eth0");
> >      }
> >      catch(UnknownHostException uhe){
> >         System.out.println("Caught unknownhost exception ");
> >         System.out.println("Message: "+uhe.getMessage());
> >         uhe.printStackTrace();
> >     }
>
> > But it fails with the following message.
>
> > java.net.UnknownHostException: no scope_id found
> >         at java.net.Inet6Address.deriveNumericScope(Inet6Address.java:
> > 358)
> >         at java.net.Inet6Address.initif(Inet6Address.java:321)
> >         at java.net.Inet6Address.initstr(Inet6Address.java:306)
> >         at java.net.Inet6Address.<init>(Inet6Address.java:232)
> >         at java.net.InetAddress.getAllByName(InetAddress.java:1062)
> >         at java.net.InetAddress.getAllByName(InetAddress.java:1009)
> >         at java.net.InetAddress.getByName(InetAddress.java:959)
>
> > What could be the possible reasons for it ?  Is it specific to JDK
> > version ?
>
> The error message is quite clear - the DNS does not recognize the host
> name.  What you passed to the call really doesn't look like a host
> name, so that seems unsurprising.
>

Oops.  I should follow my own advice and check Javadocs first.  Sorry.

It doesn't look specific to the JDK - the error says that the scope ID
was not found. The scope ID is "eth0", which implies that that
interface was not available on the target system at run time.

--
Lew

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LinkLocal Address ( InetAddress.getByName throws UnknownHost Exception ) saggar <sunil.saggar@gmail.com> - 2011-06-14 23:15 -0700
  Re: LinkLocal Address ( InetAddress.getByName throws UnknownHost Exception ) Lewis Bloch <lewisbloch@google.com> - 2011-06-17 06:27 -0700
    Re: LinkLocal Address ( InetAddress.getByName throws UnknownHost Exception ) lewbloch <lewbloch@gmail.com> - 2011-06-17 06:33 -0700

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